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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
18716531374330638 ~1988
187176611123059679 ~1989
18717971374359438 ~1988
18718019374360398 ~1988
18718103374362078 ~1988
18718319374366398 ~1988
18718379374367598 ~1988
18718943374378878 ~1988
18719219374384398 ~1988
187193571123161439 ~1989
187195094118291980111 ~1995
187195491497563939 ~1989
18720203374404078 ~1988
18720599374411998 ~1988
187208811123252879 ~1989
18721271374425438 ~1988
187219873369957679 ~1990
18721991374439838 ~1988
18722183374443678 ~1988
187226331123357999 ~1989
187227411123364479 ~1989
187227471497819779 ~1989
18723143374462878 ~1988
18723959374479198 ~1988
187240511872405119 ~1989
Exponent Prime Factor Digits Year
187246193370431439 ~1990
18724991374499838 ~1988
18725123374502478 ~1988
18725363374507278 ~1988
18725711374514238 ~1988
187258211123549279 ~1989
18726479374529598 ~1988
18726863374537278 ~1988
18726923374538478 ~1988
18727619374552398 ~1988
187277591872775919 ~1989
187280092621921279 ~1990
18728051374561038 ~1988
18728063374561278 ~1988
18728291374565838 ~1988
187284971123709839 ~1989
18728579374571598 ~1988
18728639374572798 ~1988
18728903374578078 ~1988
18729059374581198 ~1988
187292331123753999 ~1989
18729443374588878 ~1988
18729671374593438 ~1988
187304894120707599 ~1990
18730619374612398 ~1988
Exponent Prime Factor Digits Year
187310211498481699 ~1989
18731171374623438 ~1988
18731183374623678 ~1988
187318571123911439 ~1989
18731903374638078 ~1988
187319172997106739 ~1990
187319871498558979 ~1989
187323411123940479 ~1989
18732491374649838 ~1988
18732599374651998 ~1988
18732839374656798 ~1988
18733103374662078 ~1988
18733139374662798 ~1988
18733499374669998 ~1988
18733619374672398 ~1988
18734879374697598 ~1988
18735239374704798 ~1988
18735911374718238 ~1988
18736331374726638 ~1988
187369991873699919 ~1989
187371771124230639 ~1989
187376591873765919 ~1989
18737843374756878 ~1988
18737879374757598 ~1988
18737951374759038 ~1988
Exponent Prime Factor Digits Year
18738899374777998 ~1988
18739211374784238 ~1988
18740063374801278 ~1988
187401911874019119 ~1989
18740219374804398 ~1988
187402971124417839 ~1989
18740299108693734310 ~1991
18740339374806798 ~1988
18740363374807278 ~1988
18740483374809678 ~1988
18740531374810638 ~1988
18741083374821678 ~1988
18741659374833198 ~1988
18741839374836798 ~1988
18742319374846398 ~1988
18742523374850478 ~1988
18742583374851678 ~1988
18743363374867278 ~1988
18743591374871838 ~1988
18743951374879038 ~1988
18744371374887438 ~1988
18744443374888878 ~1988
18744983374899678 ~1988
187452177123182479 ~1991
18745403374908078 ~1988
1323
GIMPS The Prime Pages FactorDb.com
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24-10-27